222122001220061 has 2 divisors, whose sum is σ = 222122001220062. Its totient is φ = 222122001220060.

The previous prime is 222122001219991. The next prime is 222122001220081. The reversal of 222122001220061 is 160022100221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220590518244100 + 1531482975961 = 14852290^2 + 1237531^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122001220061 - 2¹⁴ = 222122001203677 is a prime.

It is a super-3 number, since 3×222122001220061³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122001220081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061000610030 + 111061000610031.

It is an arithmetic number, because the mean of its divisors is an integer number (111061000610031).

Almost surely, 2^{222122001220061} is an apocalyptic number.

It is an amenable number.

222122001220061 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122001220061 is an equidigital number, since it uses as much as digits as its factorization.

222122001220061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 222122001220061 its reverse (160022100221222), we get a palindrome (382144101441283).

The spelling of 222122001220061 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one million, two hundred twenty thousand, sixty-one".